| Grad to Huelva | 1,347.23 mi (2,168.16 km) |
| Grad to Huercal de Almeria | 1,169.58 mi (1,882.26 km) |
| Grad to Huercal-Overa | 1,126.09 mi (1,812.26 km) |
| Grad to Huesca | 873.71 mi (1,406.09 km) |
| Grad to Huetor Vega | 1,204.97 mi (1,939.22 km) |
| Grad to Huetor-Tajar | 1,223.40 mi (1,968.87 km) |
| Grad to Humanes de Madrid | 1,091.84 mi (1,757.15 km) |
| Grad to Ibi | 1,014.18 mi (1,632.17 km) |
| Grad to Ibiza | 918.91 mi (1,478.84 km) |
| Grad to Icod de los Vinos | 2,176.99 mi (3,503.52 km) |
| Grad to Igualada | 801.04 mi (1,289.14 km) |
| Grad to Illescas | 1,097.01 mi (1,765.46 km) |
| Grad to Inca | 822.42 mi (1,323.55 km) |
| Grad to Ingenio | 2,143.84 mi (3,450.18 km) |
| Grad to Irun | 902.78 mi (1,452.88 km) |
